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Health Benefits of Tea
Tea is one of the most popular beverages in the world. Tea is rich in micronutrients, including fluoride, magnesium and zinc ions. However, the health benefits are mainly related to the three main biologically active compounds. Including catechol, caffeine and L-theanine, drinking tea is often associated with many health benefits, which can help improve mood and cognition and reduce the risk of cardiovascular disease and diabetes in individuals.
Tea and Heart Health
Tea is a major source of flavonoids, which act as potent antioxidants that neutralize the body’s naturally occurring, but cell-damaging free radical molecules. Research has shown that tea flavonoids may help promote heart health by improving blood vessel and endothelial function, and by improving cholesterol levels.
High blood cholesterol is a major risk factor for heart disease and stroke. It can lead to a build-up of plaque in the artery walls and narrow the arteries. Black tea may help reduce the risk of heart disease by helping maintain healthy function of the endothelium, the inner lining of blood vessels. Phytochemicals in tea may increase the artery’s ability to dilate thereby improving coronary vessel function.
A new study recently found that a cup of tea every day may be good for heart health.( Original report: A daily cup of tea may soothe your heart)
The study found that people who drank a cup of tea a day had a 35% lower risk of heart failure or other major cardiovascular illnesses than those who did not. The study also found that people who drank tea had a lower risk of calcification in the heart's coronary arteries, and the researchers said that calcium deposition is associated with some serious diseases such as heart disease and stroke.
Dr. Elliott Miller of Johns Hopkins Hospital said: "We found that people who moderately drink tea have a slower progression of coronary calcification and a lower risk of cardiovascular events."
But Miller also pointed out that they still can't prove whether there is a causal relationship between tea drinking and heart disease risk.
“This is just an observational study. We are not sure whether the tea itself or the people who drink tea have healthier habits that lead to a lower risk of cardiovascular disease.”
Original report: A daily cup of tea may soothe your heart.
Health Benefits of Tea for Diabetes
There are strict regulations on diabetes diet in medicine, but the study found that drinking tea has many benefits for the human body. Polyphenols in tea can prevent and cure a variety of diseases. Drinking tea often has a lower risk of diabetes. Although diabetics can drink tea, they must not drink it indiscriminately, because some teas may cause blood sugar if they are wrong. Therefore, they must choose some teas that help diabetes.
The catechins contained in green tea can delay the absorption of sugar in the small intestine, thereby inhibiting the rise of blood sugar after meals; the antioxidants contained therein can also reduce the body's inflammatory response and increase the toughness of capillaries.
Black tea contains a large amount of polyphenols, which promotes the body's insulin production, can help control blood sugar levels, and help diabetic patients maintain blood sugar stability.
The addition of lemon to black tea has the effect of preventing osteoporosis in diabetic patients.
The study found that Pu'er tea has a significant inhibitory effect on diabetes-related biological enzymes. The Pu'er cooked tea produced from Yunnan big leaf species is a solid-state instant Pu'er tea powder refined by modern biological fermentation technology and modern extraction technology, and the inhibition rate of diabetes-related biological enzymes is over 90%. With the increase of the concentration of Pu'er tea, its blood sugar lowering effect is more and more obvious; however, the drinking method of Pu'er tea has a great influence on the blood sugar lowering effect, the continuous drinking is better than the one-time drinking.
The Effect of Tea on Oral Health
Tea is an alkaline food. When the alkaline minerals in the teeth are insufficient, the calcium in the teeth will be dissolved in the blood to supplement it. Therefore, after long-term fatigue, the teeth will become fragile and prone to tooth decay. This is due to calcium deficiency. Tea itself is an alkaline substance, so it can resist the decrease of calcium and thus protect the teeth.